Image Picker From Gallery Using Flutter Android App

dependencies:
  flutter:
    sdk: flutter
  image_picker: ^0.6.7+14

flutter pub get

import 'dart:io';
import 'package:flutter/material.dart';
import 'package:image_picker/image_picker.dart';

void main(){
  runApp(MyApp());
}

class MyApp extends StatelessWidget{
  @override
  Widget build(BuildContext context) {
    // TODO: implement build
    return MaterialApp(

      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => new _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  File _image;

  Future getImage() async {
    var image = await ImagePicker.pickImage(source: ImageSource.gallery);

    setState(() {
      _image = image;
    });
  }

  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      appBar: new AppBar(
        backgroundColor: Colors.deepOrangeAccent,
        title: new Text('Image Picker'),
      ),
      body: new Center(
        child: _image == null
            ? new Text('No image selected.')
            : new Image.file(_image),
      ),
      floatingActionButton: new FloatingActionButton(
        backgroundColor: Colors.deepOrangeAccent,
        onPressed: getImage,
        tooltip: 'Pick Image',
        child: new Icon(Icons.add_a_photo),
      ),
    );
  }
}